CLAAS Performance products by HDT

Increase Horsepower, Torque and fuel economy!

Whether you need extra power to climb those steep hills or need better fuel economy you can trust in Heavy Diesel Tuner for your programming needs! All programming comes with our 100% satisfaction guarantee, all tune files are made with emphasis on drive ability and engine reliability!

Start saving time and money NOW!

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CLAAS MACHINES WITH 4.5L & 6.8L Engines

Click here to see the available performance upgrades.

CLAAS MACHINES WITH CAT C9 & C13 ENGINES

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CLAAS MACHINES WITH MERCEDES BENZ ENGINES

OM470LA OM473LA OM502LA OM906LA OM926LA

Click here to see the available performance upgrades.